RER 148840

RER
DourdanMusée d'Orsay
Passage confirmedPassage confirmed by the source at one or more stops. Other times are estimated.

Punctuality : 86% on time · average delay +0.6 min · over 8 observed days

Usually

Usual times are calculated from past runs. See the selected run’s timetable below.

Departs
15:37
Arrives
16:51
Journey time
1 h 14
Stops
18
Runs
Weekends

Stops on the latest run

18 stops passed : 10 confirmed by the source, 8 from the forecast. Latest source data: 3 h 51 ago.

Run ended according to the timetable

Estimated progress: filled dots before the next stop, a ring at the next stop, empty dots afterwards. These markers do not confirm passages.

  1. Earlier stop (estimated)
    Dourdan
    Arrival
    Scheduled time
    Departure
    Scheduled time
    Predicted by the source(0′)
    Passed according to the source forecast (data 17 h 45 old)
  2. Earlier stop (estimated)
    Sermaise
    Arrival
    Scheduled time
    Predicted by the source(+1′)
    Departure
    Scheduled time
    Predicted by the source(+1′)
    Passed according to the source forecast (data 5 h 03 old)
  3. Passage confirmed by the source
    Saint-Chéron
    Arrival
    Scheduled time
    Confirmed by the source(0′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(0′)
  4. Passage confirmed by the source
    Breuillet Village
    Arrival
    Scheduled time
    Confirmed by the source(0′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(0′)
  5. Passage confirmed by the source
    Breuillet - Bruyères-le-Châtel
    Arrival
    Scheduled time
    Confirmed by the source(+1′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+1′)
  6. Earlier stop (estimated)
    Égly
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
    Passed according to the source forecast (data 4 h 47 old)
  7. Passage confirmed by the source
    Arpajon
    Arrival
    Scheduled time
    Confirmed by the source(0′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(0′)
  8. Passage confirmed by the source
    La Norville - Saint-Germain-lès-Arpajon
    Arrival
    Scheduled time
    Confirmed by the source(0′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(0′)
  9. Earlier stop (estimated)
    Brétigny
    Arrival
    Scheduled time
    Predicted by the source(+1′)
    Departure
    Scheduled time
    Predicted by the source(+1′)
    Passed according to the source forecast (data 4 h 35 old)
  10. Earlier stop (estimated)
    Saint-Michel-sur-Orge
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
    Passed according to the source forecast (data 4 h 31 old)
  11. Passage confirmed by the source
    Sainte-Geneviève-des-Bois
    Arrival
    Scheduled time
    Confirmed by the source(0′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(0′)
  12. Earlier stop (estimated)
    Épinay-sur-Orge
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
    Passed according to the source forecast (data 4 h 25 old)
  13. Passage confirmed by the source
    Savigny-sur-Orge
    Arrival
    Scheduled time
    Confirmed by the source(+1′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+1′)
  14. Passage confirmed by the source
    Juvisy
    Arrival
    Scheduled time
    Confirmed by the source(+1′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(0′)
  15. Passage confirmed by the source
    Bibliothèque François Mitterrand
    Arrival
    Scheduled time
    Confirmed by the source(+1′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+1′)
  16. Passage confirmed by the source
    Gare d'Austerlitz
    Arrival
    Scheduled time
    Confirmed by the source(+1′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+1′)
  17. Earlier stop (estimated)
    Saint-Michel Notre-Dame
    Arrival
    Scheduled time
    Predicted by the source(+1′)
    Departure
    Scheduled time
    Predicted by the source(+1′)
    Passed according to the source forecast (data 3 h 59 old)
  18. Earlier stop (estimated)
    Musée d'Orsay
    Arrival
    Scheduled time
    Predicted by the source(+1′)
    Departure
    Scheduled time
    Passed according to the source forecast (data 3 h 53 old)

Punctuality of recorded routes

Reported delays per run with a complete route; separate from the ranking sample. A predicted delay does not confirm a passage.

runs reported on time86%
average delay+0.6 min
max delay+30 min
runs reported8
stops18
0m3m5m10/1018/101/11
Delay values
DateDelay (min)
2026-10-100
2026-10-110.21428571428571427
2026-10-170.21052631578947367
2026-10-180.1111111111111111
2026-10-241.1578947368421053
2026-10-251.8333333333333333
2026-10-310.9473684210526315
2026-11-010.4444444444444444
Historical average delay — home ranking: +4.6 min (over 8 runs)

Average of available delays per run over the 30 days before calculation, with equal weight for each eligible run. This is not the current delay.

Runs used: 8. Calculated on: (Europe/Paris).

This average can be available without a complete route. The route statistics below use only recorded routes with their stops.

Calculation window: 10/2/2026, 6:28:18 PM – 11/1/2026, 5:28:18 PM (Europe/Paris).

Runs in the window
8
Events confirmed by the source
0
Events predicted by the source
8
Unknown event type
0
Cancelled runs, excluded
0
No usable delay, excluded
0

Latest source timestamp: 11/1/2026, 4:51:05 PM (Europe/Paris).

Runs are identified within each source. Identities across sources are kept separate without a proven match. Exclusions can overlap.

Typical schedule

Stops and times of RER 148840 from Dourdan to Musée d'Orsay on a typical weekday. Actual times may vary.

StopArrivalDeparture
Dourdan15:3715:37
Sermaise15:4215:42
Saint-Chéron15:4715:47
Breuillet Village15:5115:52
Breuillet - Bruyères-le-Châtel15:5515:55
Égly15:5815:59
Arpajon16:0116:02
La Norville - Saint-Germain-lès-Arpajon16:0516:05
Brétigny16:1016:11
Saint-Michel-sur-Orge16:1416:15
Sainte-Geneviève-des-Bois16:1716:18
Épinay-sur-Orge16:2016:21
Savigny-sur-Orge16:2316:24
Juvisy16:2716:29
Bibliothèque François Mitterrand16:4016:41
Gare d'Austerlitz16:4316:44
Saint-Michel Notre-Dame16:4716:48
Musée d'Orsay16:5116:51

Frequently asked questions

What time does RER 148840 depart?

RER 148840 departs from Dourdan at 15:37 (typical schedule from reported times). Actual times may vary.

How many stops does RER 148840 make?

RER 148840 connects Dourdan to Musée d'Orsay with 18 stops.

Is RER 148840 on time?

Over the reported runs, RER 148840 was reported on time 86% of runs, with an average delay of 0.6 minutes.

Other trains on this line

Live status and delays for the other trains serving the same stations.

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